import time

# a + b+c = 1000 并且a^2+b^2等于c^2 abc自然数
start_time = time.time()
for a in range(0, 1001):
    for b in range(0, 1001-a):
        c = 1000-a-b
        if a**2+b**2==c**2:
            print(a, b, c)

end_time = time.time()
print(end_time-start_time)